CN215988472U - Combined operating rod for lifting switch blade - Google Patents
Combined operating rod for lifting switch blade Download PDFInfo
- Publication number
- CN215988472U CN215988472U CN202122603261.0U CN202122603261U CN215988472U CN 215988472 U CN215988472 U CN 215988472U CN 202122603261 U CN202122603261 U CN 202122603261U CN 215988472 U CN215988472 U CN 215988472U
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- Prior art keywords
- rod
- type groove
- open slot
- pole
- lifting
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- 229910000831 Steel Inorganic materials 0.000 claims description 12
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides a combined operating rod for lifting a switch blade, which relates to the technical field of transformer substations and comprises the following components: comprises an inner rod and an outer rod; the outer rod is of a hollow structure and is sleeved on the outer side of the inner rod; the outer rod comprises a first rod body and a second rod body, and the inner diameters of the first rod body and the second rod body are different; the first rod body and the second rod body are welded into a whole in a seamless mode; the utility model discloses a pole, including outer pole, first U type groove, second U type groove, third U type groove, the pole sets up the open slot, the both ends of open slot set up first U type groove and second U type groove, the intermediate position side of open slot sets up third U type groove, first U type groove, second U type groove, third U type groove and open slot intercommunication, set up on the interior pole and be used for pulling interior pole in the inboard gliding removal handle of outer pole, it passes the open slot and sets up in the outside of outer pole to remove the handle. The utility model saves the operation time, reduces the safety risk and improves the switching operation efficiency.
Description
Technical Field
The utility model relates to the technical field of transformer substations, in particular to a combined operating rod for lifting a switch blade.
Background
In recent years, upgrading and reconstruction of a plurality of devices of a transformer substation are completed through technical improvement and overhaul projects, the transformer substation is a huge system project, upgrading and updating of a plurality of devices are completed through technical improvement and overhaul, and technically improved disconnecting switches are diversified in types, and various in types and quantity. When a substation operation and maintenance class QC group (QC group for short) performs switching operation, the isolating switch operating rod needs to be replaced repeatedly. When the isolating switch is operated by the power transformation operation and maintenance team, the frequency of replacing the operating rod is higher. The operation in a large range usually needs to prepare three or four disconnecting switch operating rods, the use is time-consuming and labor-consuming, the risk of misoperation exists, and adverse effects can be caused on the safety management and the economic benefit of a company.
At present, for the practical isolating switch operating rod for the operation and maintenance of the transformer substation, because the personnel on the operation and maintenance class of the transformer substation come from each transformer substation, part of the personnel are only familiar with the operating tools of certain equipment, and are not skilled in the use of the operating tools of other transformer substations; personnel are unfamiliar with field equipment, due to the fact that structures and individual skill levels of power transformation operation and maintenance class personnel are different, diversification of the equipment is extremely checked for people with large ages, and the personnel can gradually become familiar with equipment and operation modes of each transformer substation by strengthening field training and division work cooperation; the isolating switch operating levers are various; the transformer substation disconnecting switch operating rod is obtained according to the type of the disconnecting switch, one type of disconnecting switch is used, the pertinence in use is strong, and when the disconnecting switch operating rod is not unified and directly influences the switching operation, the switching operation efficiency is influenced; the operating rods of the disconnecting switches of the transformer substation are different in length and thickness, so that the use degree of the disconnecting switches is influenced, even injuries in operation can be caused, and the field switching operation is very unfavorable; the transformer substation disconnecting switch operating rod is made of random materials, a steel pipe or an iron rod is cut randomly to serve as the disconnecting switch operating rod, the quality of the operating rod is poor, the length, the thickness and the space of the position of an on-site disconnecting switch framework are not consistent, various hidden dangers such as bending, breaking and personal injury of the operating rod are easily caused, and the on-site operation requirements cannot be met.
Along with the improvement of the internal supervision and high-quality service management of a company and the requirement of lean management of power transformation operation and maintenance work, the power failure time needs to be shortened urgently, and the switching operation efficiency needs to be improved.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a combined operating rod for lifting a switch blade, which can compress the switching operation time, perform the switching operation more safely and quickly and improve the working efficiency.
In order to achieve the purpose, the utility model adopts the following technical scheme to realize the purpose:
modular operating lever for the lifting of a knife, comprising:
comprises an inner rod and an outer rod;
the outer rod is of a hollow structure and is sleeved on the outer side of the inner rod;
the outer rod comprises a first rod body and a second rod body, and the inner diameters of the first rod body and the second rod body are different; the first rod body and the second rod body are welded into a whole in a seamless mode;
the utility model discloses a pole, including outer pole, first U type groove, second U type groove, third U type groove, the pole sets up the open slot, the both ends of open slot set up first U type groove and second U type groove, the intermediate position side of open slot sets up third U type groove, first U type groove, second U type groove, third U type groove and open slot intercommunication, set up on the interior pole and be used for pulling interior pole in the inboard gliding removal handle of outer pole, it passes the open slot and sets up in the outside of outer pole to remove the handle.
According to a further technical scheme of the utility model, the first rod body and the second rod body are welded in a seamless mode, and magnetic suction strips are arranged on the inner sides of the first U-shaped groove, the second U-shaped groove and the third U-shaped groove.
The technical scheme of the utility model is that the movable handle is a pull rod with a spring, and the pull rod is fixed in the middle of the inner rod through the spring.
The technical scheme of the utility model is that the movable handle is a stainless steel ball screw plastic rubber head, and the middle position of the inner rod is provided with an installation screw hole.
As a further technical scheme of the utility model, the inner rod has the inner diameter of 2cm and the length of 40 cm.
According to a further technical scheme of the utility model, the inner diameter of the first rod body is 3.5cm, and the inner diameter of the second rod body is 3 cm.
According to a further technical scheme, the open groove is formed in the position, 10cm away from the two ends of the outer rod, of the middle of the outer rod, the width of the open groove is 0.85cm, and the first U-shaped groove, the second U-shaped groove and the third U-shaped groove are 1cm in length and 0.85cm in width.
As a further technical scheme of the utility model, the inner rod and the outer rod are seamless steel tubes.
According to a further technical scheme, one end of the inner rod is a cast iron blocking head, and the other end of the inner rod is of a hollow structure.
The utility model has the beneficial effects that:
the outer rod and the inner rod can be selected according to the common size of the operating rod of the transformer substation, the inner rod and the outer rod can be used in four modes by arranging a double-layer structure, one end of the inner rod is blocked by cast iron to form a solid end, the other end of the inner rod is of a hollow structure, the outer rod is of a hollow structure, the inner diameter of the outer rod is larger than that of the inner rod, and the two ends of the outer rod and the inner rod form a solid groove structure and a hollow groove structure, so that four different operating rod structures are formed; the seamless steel pipe can be freely sleeved on the isolating switch operating handle, the size of the seamless steel pipe accords with the standard of the isolating switch operating handle, and the requirement of manufacturing the operating rod is met.
Drawings
Fig. 1 is a structural view of a combined operating lever for lifting a knife blade according to the present invention;
fig. 2 is a top view of a combined operating lever for lifting a knife blade according to the present invention;
FIG. 3 is a view of the structure of one end of the telescopic operating rod for lifting the knife blade according to the present invention;
FIG. 4 is a view of the other end of the telescopic structure of the combined operating rod for lifting the knife;
FIG. 5 is a structural view of an inner rod according to the present invention;
shown in the figure:
1-inner rod, 2-outer rod and 3-open slot;
11-moving the handle;
21-a first rod, 22-a second rod;
31-a first U-shaped groove, 32-a second U-shaped groove and 33-a third U-shaped groove.
Detailed Description
The following description of the embodiments of the present invention refers to the accompanying drawings and examples:
it is to be noted that technical terms or scientific terms used in the embodiments of the present invention should have the ordinary meanings as understood by those having ordinary skill in the art to which the present disclosure belongs, unless otherwise defined. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in fig. 1 to 5, the present invention provides a combined operating rod for lifting a knife switch, comprising:
comprises an inner rod 1 and an outer rod 2;
the outer rod 2 is of a hollow structure, and the outer rod 2 is sleeved on the outer side of the inner rod;
the outer rod 2 comprises a first rod body 21 and a second rod body 22, the inner diameters of the first rod body 21 and the second rod body 22 are different, and the first rod body and the second rod body are welded into a whole in a seamless mode;
The magnetic suction strips are arranged on the inner sides of the first U-shaped groove, the second U-shaped groove and the third U-shaped groove, so that the movable handle can be adsorbed, the sliding of the movable handle to the open groove to cause the inner rod to slide in the use process of the operating rod is prevented, and the reliability of operation is improved.
The utility model improves the existing isolating switch operating lever, achieves the aim of one lever with multiple purposes, reduces the auxiliary personnel for operation, shortens the operation time, improves the operation efficiency and reduces the frequency of replacing the isolating switch operating lever.
The outer rod and the inner rod can be selected according to the common size of the operating rod of the transformer substation, the inner rod and the outer rod can be used in four modes by arranging a double-layer structure, one end of the inner rod is blocked by cast iron to form a solid end, the other end of the inner rod is of a hollow structure, the outer rod is of a hollow structure, the inner diameter of the outer rod is larger than that of the inner rod, and the two ends of the outer rod and the inner rod form a solid groove structure and a hollow groove structure, so that four different operating rod structures are formed; the seamless steel pipe can be freely sleeved on the isolating switch operating handle, the size of the seamless steel pipe accords with the standard of the isolating switch operating handle, and the requirement of manufacturing the operating rod is met. The junction of the first rod 21 and the second rod 22 is an inclined plane.
In the embodiment of the present invention, the moving handle 11 is a pull rod with a spring, and the pull rod is fixed in the middle of the inner rod through the spring. The movable handle is a clamping piece with a spring, the clamping piece is fixed inside the inner rod through the spring, the clamping piece can stretch out and draw back according to the stretching of the spring, when the clamping piece is assembled, the clamping piece compression spring enables the clamping piece and the inner rod to penetrate into the outer rod, after the inner rod penetrates into the outer rod, the clamping piece penetrates through the outer rod from the open slot under the elastic force of the spring again to expose the outer rod to be used as the movable handle.
Further, the movable handle 11 is a plastic rubber head of a stainless steel ball screw, and an installation screw hole is formed in the middle of the inner rod. The plastic rubber head of the stainless steel ball screw is adopted, so that the use is convenient, the hand can not be scratched when the plastic rubber head is moved, and the safety of the operation is ensured.
The inner rod 1 and the outer rod 2 are made of seamless steel pipes; one end of the inner rod 1 is a cast iron plugging head, and the other end of the inner rod 1 is of a hollow structure.
In the embodiment of the utility model, cast iron is arranged in one end of the inner rod with the inner diameter of 2cm and the length of 40cm, and the cast iron is welded, blocked and polished to increase the strength. Punching a hole in the middle of the steel pipe at a position of 20cm, and turning an internal thread with the aperture of 0.8cm for installing a movable handle; the pipe diameter of the inner pipe meets the requirement of the outer diameter of an operation handle of the isolating switch, the inner pipe can be freely sleeved, the built-in cast iron can bear 800N torsion after being welded through a test, and the isolating switch is light and convenient and meets the design requirement.
A first rod body with the length of 17cm and the inner diameter of 3.5cm is welded with a second rod body with the length of 32cm and the inner diameter of 3cm, the welding position is overlapped by 4.5cm, the use strength of a connecting part is guaranteed, and the connecting part is welded and then is subjected to slope cutting and polishing to be smooth. The whole length of the welded outer rod is kept at 40cm and is used as an external operating rod. Two ends of the outer rod are respectively reserved with 10cm, and the middle is provided with an open slot with the length of 20cm and the width of 0.85 cm. A first U-shaped groove 31, a second U-shaped groove 32 and a third U-shaped groove 33 which are 1cm in length and 0.85cm in width are respectively formed at the two ends and the middle part of the open groove and used for locking the built-in operating rod; after the seamless steel pipes with the inner diameters of 3.5cm and 3cm of the outer pipe are concentrically welded, the seamless steel pipes are not bent, the welding positions are overlapped by 4.5cm, the use strength of the connecting parts is ensured, and the pipe body with a groove of 20cm can bear the torsion of more than 1000N through tests, so that the design requirements are met.
The inner pipe with the inner diameter of 2cm is pushed into the outer pipe, a movable handle formed by an 8# screw, a gasket and a spring is screwed into the opening of the inner pipe along an open slot, the inner pipe is guaranteed to slide back and forth in the outer pipe, stretch freely and be fixed reliably, and the aim of one-rod four-purpose is achieved.
The combined operating rod provided by the utility model is very important for field switching operation, avoids the safety risk of wrong interval caused by back and forth replacement and searching of a proper operating rod, improves the operation safety due to the use of the multifunctional isolating switch operating rod, can operate the existing four isolating switches by one rod, and can complete the switching operation safely, conveniently and quickly.
The isolating switch operating rod with multiple purposes is used, the switching operating efficiency is effectively improved, the switching operating time is shortened, and the power cut-off and power transmission time is greatly reduced.
The utility model adopts the welding technology, reduces the link between pipes, greatly reduces the weight of the operating rod, is beautiful and durable after the welding position is ground, adopts the seamless steel pipe as the telescopic operating rod in the pipe, and embeds a metal plug at one end of the telescopic operating rod, thereby achieving the purposes of reducing the weight and ensuring the mechanical strength, achieving the purpose of one rod and four purposes and meeting the operation requirements of the prior isolating switch.
While the preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the above embodiments, and various changes, which relate to the related art known to those skilled in the art and fall within the scope of the present invention, can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Many other changes and modifications can be made without departing from the spirit and scope of the utility model. It is to be understood that the utility model is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (9)
1. A modular operating lever for knife lifting, comprising:
comprises an inner rod and an outer rod;
the outer rod is of a hollow structure and is sleeved on the outer side of the inner rod;
the outer rod comprises a first rod body and a second rod body, and the inner diameters of the first rod body and the second rod body are different; the first rod body and the second rod body are welded into a whole in a seamless mode;
the utility model discloses a pole, including outer pole, first U type groove, second U type groove, third U type groove, the pole sets up the open slot, the both ends of open slot set up first U type groove and second U type groove, the intermediate position side of open slot sets up third U type groove, first U type groove, second U type groove, third U type groove and open slot intercommunication, set up on the interior pole and be used for pulling interior pole in the inboard gliding removal handle of outer pole, it passes the open slot and sets up in the outside of outer pole to remove the handle.
2. The combined operating rod for lifting the knife switch according to claim 1, wherein magnetic attraction strips are arranged on the inner sides of the first U-shaped groove, the second U-shaped groove and the third U-shaped groove.
3. The modular operating lever for blade lifting as claimed in claim 1, characterized in that the moving handle is a spring-loaded pull rod, which is fixed in the middle of the inner lever by means of a spring.
4. The combined operating rod for lifting the knife switch according to claim 1, wherein the moving handle is a stainless steel ball screw plastic rubber head, and a mounting screw hole is formed in the middle of the inner rod.
5. The modular operating lever for knife lifting as claimed in claim 1, wherein the inner rod has an inner diameter of 2cm and a length of 40 cm.
6. The combined operating rod for blade lifting according to claim 1, wherein the first rod has an inner diameter of 3.5cm and the second rod has an inner diameter of 3 cm.
7. The combined operating rod for lifting the knife switch according to claim 1, wherein the open slot is formed in the middle of the outer rod and is 10cm away from the two ends of the outer rod, the width of the open slot is 0.85cm, and the first U-shaped slot, the second U-shaped slot and the third U-shaped slot are U-shaped slots with the length of 1cm and the width of 0.85 cm.
8. The combined operating rod for knife lifting according to claim 1, characterized in that the inner rod and the outer rod are seamless steel tubes.
9. The combined operating rod for lifting the switch blade according to claim 1, wherein one end of the inner rod is a cast iron blocking head, and the other end of the inner rod is of a hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122603261.0U CN215988472U (en) | 2021-10-28 | 2021-10-28 | Combined operating rod for lifting switch blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122603261.0U CN215988472U (en) | 2021-10-28 | 2021-10-28 | Combined operating rod for lifting switch blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215988472U true CN215988472U (en) | 2022-03-08 |
Family
ID=80572372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122603261.0U Expired - Fee Related CN215988472U (en) | 2021-10-28 | 2021-10-28 | Combined operating rod for lifting switch blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215988472U (en) |
-
2021
- 2021-10-28 CN CN202122603261.0U patent/CN215988472U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |